The FG-42 machine gun is one of the many brilliantly-designed weapons the Nazi war machine produced during its misguided attempt to take over the world. If you want to make a WWII battles set out of Legos, having some tiny versions of these guns will make your Nazi pieces much more historically accurate and intimidating. This video features detailed instructions for modifying one of the Lego Storm Trooper guns as common as raindrops to look like a FG-42 using only some common hobby tools.